25478793 has 12 divisors (see below), whose sum is σ = 38166128. Its totient is φ = 16985700.

The previous prime is 25478777. The next prime is 25478797. The reversal of 25478793 is 39787452.

It is not a de Polignac number, because 25478793 - 2⁴ = 25478777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25478797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52183 + ... + 52668.

Almost surely, 2^25478793 is an apocalyptic number.

It is an amenable number.

25478793 is a deficient number, since it is larger than the sum of its proper divisors (12687335).

25478793 is an equidigital number, since it uses as much as digits as its factorization.

25478793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104866 (or 104854 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 25478793 is about 5047.6522265307. The cubic root of 25478793 is about 294.2566480299.

The spelling of 25478793 in words is "twenty-five million, four hundred seventy-eight thousand, seven hundred ninety-three".